<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>引导页</title>
    <style>
        *{
            padding: 0;
            margin: 0;
            list-style: none;
        }
        #he{
            /* width: 100%; */
            display: flex;/*弹性盒模型*/
            justify-content: center;/*主轴方向居中显示*/
            align-items: center;/*交叉轴方向居中显示*/
            height: 100vh;
            background-color: #232e6d;
        }
        ul{
            height: 200px;
        }
        li{
            float: left;
            width: 20px;
            height: 20px;
            border-radius: 20px;
            margin-right: 10px;
        }
        li:nth-child(1){
            background-color: #f62e74;
            animation: love1 4s infinite;
        }
        li:nth-child(2){
            background-color: #f45330;
            animation: love2 4s infinite;
            animation-delay: 0.15s;
        }
        li:nth-child(3){
            background-color: #ffc883;
            animation: love3 4s infinite;
            animation-delay: 0.3s;
        }
        li:nth-child(4){
            background-color: #30d268;
            animation: love4 4s infinite;
            animation-delay: 0.45s;
        }
        li:nth-child(5){
            background-color: #006cb4;
            animation: love5 4s infinite;
            animation-delay: 0.6s;
        }
        li:nth-child(6){
            background-color: #784697;
            animation: love4 4s infinite;
            animation-delay: 0.75s;
        }
        li:nth-child(7){
            background-color: #ffc883;
            animation: love3 4s infinite;
            animation-delay: 0.9s;
        }
        li:nth-child(8){
            background-color: #f45330;
            animation: love2 4s infinite;
            animation-delay: 1.05s;
        }
        li:nth-child(9){
            background-color: #f62e74;
            animation: love1 4s infinite;
            animation-delay: 1.2s;
        }
        @keyframes love1{
            30%,50%{height: 60px; transform: translateY(-30px);}
            75%,100%{height: 20px; transform: translateY(0);}
        }
        @keyframes love2{
            30%,50%{height: 125px; transform: translateY(-62.5px);}
            75%,100%{height: 20px; transform: translateY(0);}

        }
        @keyframes love3{
            30%,50%{height: 160px; transform: translateY(-75px);}
            75%,100%{height: 20px; transform: translateY(0);}
        }
        @keyframes love4{
            30%,50%{height: 180px; transform: translateY(-60px);}
            75%,100%{height: 20px; transform: translateY(0);}
        }
        @keyframes love5{
            30%,50%{height: 190px; transform: translateY(-45px);}
            75%,100%{height: 20px; transform: translateY(0);}
        }
    </style>
</head>
<body>
<div id="he">
    <ul>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
    </ul>
</div>
</body>

<script type="text/javascript">

    window.onload = function(){
        setTimeout(function () {
            window.location.href = "/user/login";
        },3000)
    }
</script>

</html>